\documentclass{article}
\usepackage{amssymb,amsmath,amscd,concmath}
\pagestyle{empty}
\begin{document}
\begin{equation*}A = \Lambda \int_A 
\left( A(A) - \frac{A}{\Lambda^A} \vert A \vert^A  \right) 
\;\mbox{A}(A) \end{equation*}
\end{document}
